package com.etennis.handler;
import com.alibaba.fastjson.JSON;
import com.etennis.constants.AppHttpCodeEnum;
import com.etennis.pojos.ResponseResult;
import com.etennis.utils.WebUtil;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
      ResponseResult result=null;
        if(e instanceof BadCredentialsException){
            result= ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_ERROR.getCode(),e.getMessage());
        }else if(e instanceof InsufficientAuthenticationException){
            result = ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);}
        else {
            result = ResponseResult.errorResult(AppHttpCodeEnum.SYSTEM_ERROR.getCode(),"认证或授权失败");
        }
        WebUtil.renderString(response, JSON.toJSONString(result));
        e.printStackTrace();
    }
}
